op {
  graph_op_name: "RsqrtGrad"
  visibility: HIDDEN
  summary: "Computes the gradient for the rsqrt of `x` wrt its input."
  description: <<END
Specifically, `grad = dy * -0.5 * y^3`, where `y = rsqrt(x)`, and `dy`
is the corresponding input gradient.
END
}
